pp_last_activity  118 net/if_sppp.h  	time_t	pp_last_activity;	/* second of last payload data s/r */
pp_last_activity  546 net/if_spppsubr.c 				sp->pp_last_activity = tv.tv_sec;
pp_last_activity  628 net/if_spppsubr.c 	sp->pp_last_activity = tv.tv_sec;
pp_last_activity  832 net/if_spppsubr.c 	sp->pp_last_activity = 0;
pp_last_activity 1903 net/if_spppsubr.c 	sp->pp_last_receive = sp->pp_last_activity = tv.tv_sec;